learn more with our free usaa retirement guide. call 877-242-usaa. today is gonna be an important day for us. you ready? we wanna be our brother's keeper. what's number two we wanna do? bring it up to 90 decatherms. how bout ya, joe? let's go ahead and bring it online. attention on site, attention on site. now starting unit nine. some of the world's cleanest gas turbines are now powering some of america's biggest cities. siemens. answers. >> shepard: well, a widespread hack attack is bringing life to south korea to a stand still today. or it did. major banks and television stations crashing in the middle of the afternoon. images of skulls reportedly popping up on the computer screens and folks weren't even able to use their debit or credit cards for hours. the security experts say the supposed attack paralyzed the banks and their commerce for most of the day. and most systems are reportedly back up tonight. they say it did not effect government agencies or power plants or other similar targets. no official word on what caused the outages. but all of